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MAX2079CXET

Low-Power, High-Performance, Fully Integrated Octal Ultrasound Receiver (Octal LNA, VGA, AAF, ADC, and CWD Beamformer)

Maxim Integrated 

MAX2079

Low-Power, High-Performance, Fully Integrated

Octal Ultrasound Receiver (Octal LNA, VGA,

AAF, ADC, and CWD Beamformer)

Electrical Characteristics—Clock and Timing

(VREF = 2.5V, VCC3 = 3.13V to 3.47V, VCC5 = 4.5V to 5.25V, VAVDD = VOVDD = 1.7V to 1.9V, TA = 0NC to +70NC, VGND = 0V, SHDN = 0,

CWD = 0, LOON = 0. fRF = 5MHz, 50mVP-P, ADC fCLK = 50Msps, digital HPF set to 60/64, two poles, 15/16 digital gain, VGC+ -

VGC- = -3V (minimum gain), high LNA gain. Typical values are at VREF = 2.5V, VCC3 = 3.3V, VCC5 = 4.75V, VAVDD = VOVDD = 1.8V,

VGC+ - VGC- = 0V, TA = +25NC, unless otherwise noted.) (Note 3)

PARAMETER

SYMBOL

CONDITIONS

CLOCK INPUTS (CLKIN+, CLKIN-), DIFFERENTIAL MODE

Differential Clock Input Voltage

Common-Mode Voltage

Self-biased

VCLKCM DC-coupled clock signal

Differential, default setting

MIN

TYP

0.4 to 2.0

1.2

1.0 to 1.4

10

Input Resistance

RCLK

Differential, programmable internal

termination selected

0.1

Common mode to GND

9

Input Capacitance

CCLK Capacitance to GND, each input

3

CLOCK INPUTS (CLKIN+, CLKIN-), SINGLE-ENDED MODE (CLKIN- < 0.1V)

Single-Ended Mode-Selection

Threshold (CLKIN-)

Single-Ended Clock Input High

Threshold (CLKIN+)

1.5

Single-Ended Clock Input Low

Threshold (CLKIN+)

Input Leakage (CLKIN+)

Input Leakage (CLKIN-)

Input Capacitance (CLKIN+)

VIH = 1.8V

VIL = 0V

VIL = 0V

-5

-150

DIGITAL INPUTS (CWD, LOON, SHDN, SCLK, SDIO, CS)

Input High Threshold

VIH

1.5

Input Low Threshold

VIL

Input Leakage

IIH

VIH = 1.8V

IIL

VIL = 0V

-5

Input Capacitance

CDIN

DIGITAL OUTPUTS (SDIO)

Output Voltage Low

VOL ISINK = 200FA

Output Voltage High

VOH ISOURCE = 200FA

OVDD - 0.2

LVDS DIGITAL OUTPUTS (OUT_+/-, CLKOUT+/-, FRAME+/-) (I = 3.5mA, VCM = 1.2V)

Differential Output Voltage

Output Offset Voltage

| VOD |

VOS

RLOAD = 100I

225

1.125

3

3

300

1.200

MAX

0.1

0.3

+5

-50

0.3

+5

0.2

490

1.375

UNITS

VP-P

V

kI

pF

V

V

V

FA

FA

pF

V

V

FA

pF

V

V

mV

V

Maxim Integrated

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